http-request-mock
Version:
Intercept & mock http requests issued by XMLHttpRequest, fetch, nodejs https/http module, axios, jquery, superagent, ky, node-fetch, request, got or any other request libraries by intercepting XMLHttpRequest, fetch and nodejs native requests in low level.
200 lines • 9.22 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.parseResponseBody = void 0;
var follow_redirects_1 = require("follow-redirects");
var zlib = __importStar(require("zlib"));
var utils_1 = require("./utils");
/**
* In nodejs environment, by default for XMLHttpRequest, fetch and wx.request, http-request-mock
* does a fallback request by simply using http/https native request module, which encodes the
* response body with utf8. It may not meet your requirement in some complex applications.
* So, you can use another third fake (XMLHttpRequest, fetch, wx.request)request library
* instead before calling setupForUnitTest method if you had some problems with the fallback request.
*
* @param {string} url
* @param {string} method
* @param {object} headers
* @param {any} body
* @param {object} opts
*/
function request(requestConfig) {
var url = requestConfig.url, method = requestConfig.method, _a = requestConfig.headers, headers = _a === void 0 ? {} : _a, body = requestConfig.body, _b = requestConfig.opts, opts = _b === void 0 ? {} : _b;
return new Promise(function (resolve, reject) {
var isHttps = isHttpsUrl(url);
var reqOpts = __assign({ useNativeModule: true, method: (method || 'GET').toUpperCase(), headers: headers || {} }, opts);
var requestMethod = (isHttps ? follow_redirects_1.https : follow_redirects_1.http).request;
var req = requestMethod(url, reqOpts, function (response) {
getResponseBody(response).then(function (_a) {
var body = _a.body, json = _a.json;
resolve({ body: body, json: json, response: response });
}).catch(function (err) {
req.emit('error', err);
});
});
req.on('error', function (err) {
reject(err);
});
if (body) {
if (typeof body === 'string'
|| (body instanceof Buffer)
|| (body instanceof ArrayBuffer)
|| (body instanceof SharedArrayBuffer)
|| (body instanceof Uint8Array)) {
req.write(Buffer.from(body));
}
else {
req.write(Buffer.from(JSON.stringify(body)));
}
}
req.end();
});
}
exports.default = request;
function isHttpsUrl(url) {
if (typeof url === 'string') {
return /^https:/i.test(url);
}
if (url && (url.href || url.protocol)) {
return /^https:/i.test(url.href) || String(url.protocol).toLowerCase() === 'https:';
}
return false;
}
function getResponseBody(response) {
return __awaiter(this, void 0, void 0, function () {
var data, err_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, parseResponseBody(response)];
case 1:
data = _a.sent();
if (data.error) {
throw data.error;
}
return [2 /*return*/, { body: data.responseText, json: data.responseJson }];
case 2:
err_1 = _a.sent();
throw new Error("getResponseBody error: ".concat(err_1.message));
case 3: return [2 /*return*/];
}
});
});
}
function parseResponseBody(response) {
var stream;
if (['gzip', 'compress', 'deflate'].includes(response.headers['content-encoding'] || '')) {
stream = response.pipe(zlib.createGunzip());
}
else if ('br' === response.headers['content-encoding']) {
stream = response.pipe(zlib.createBrotliDecompress());
}
else {
stream = response;
}
return new Promise(function (resolve) {
stream.once('error', function (error) {
stream.removeAllListeners();
resolve({
status: null,
headers: {},
responseText: null,
responseJson: null,
responseBuffer: null,
responseBlob: null,
error: error,
});
});
var buf = [];
stream.on('data', function (chunk) { return buf.push(chunk); });
stream.once('end', function () {
var type = (response.headers['content-type'] || '').replace(/^application\//, '').replace(/;.*/, '');
var responseText = Buffer.concat(buf).toString();
var responseJson = (0, utils_1.tryToParseJson)(responseText, null);
var responseBuffer = (0, utils_1.str2arrayBuffer)(responseText);
var responseBlob = typeof Blob === 'function' ? new Blob([responseText], { type: type }) : null;
resolve({
status: response.statusCode || null,
headers: response.headers,
responseText: responseText,
responseJson: responseJson,
responseBuffer: responseBuffer,
responseBlob: responseBlob,
error: null,
});
stream.removeAllListeners();
});
});
}
exports.parseResponseBody = parseResponseBody;
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